R. A.  Jagtap, Vinod, C. P., and Punji, B., ?Nickel-catalyzed straightforward and regioselective C-H alkenylation of indoles with alkenyl bromides: scope and mechanistic aspect?, ACS Catalysis, vol. 9, no. 1, pp. 431-441, 2019.

S. B.  Ankade, Samal, P. Paramita, Soni, V., Gonnade, R. G., Krishnamurty, S., and Punji, B., ?Ni(II)-catalyzed intramolecular C-H/C-H oxidative coupling: an efficient route to functionalized cycloindolones and indenoindolones?, ACS Catalysis, vol. 11, no. 19, pp. 12384-12393, 2021.

R. A.  Jagtap, Pradhan, C., Gonnade, R. G., and Punji, B., ?Efficient route to 3,3 `-biindolinylidene-diones by iron-catalyzed dimerization of isatins?, Chemistry-an Asian Journal, vol. 17, no. 15, p. e202200414, 2022.

C.  Pradhan and Punji, B., ?Advances in the iron-catalyzed direct functionalizations of heterocycles?, Synlett, vol. 34, no. 7, pp. 683-697, 2023.

S. K.  Verma, Samal, P. Paramita, Pradhan, C., Pandey, D. K., Krishnamurty, S., and Punji, B., ?Hybrid pincer (PNN)Ni(II) complex catalyzed selective C-H alkylation of pyridones using unactivated alkyl chlorides?, ACS Catalysis, vol. 15, no. 4, pp. 2987-2999, 2025.